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Finding the Third Proportional to 176,692.50 and 262,638.75

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Solution

The third proportional to 176,692.50 and 262,638.75 is: 390,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,692.50 : 262,638.75 = 262,638.75 : x
  2. Step 2: Convert to fraction form
    176,692.50/262,638.75 = 262,638.75/x
  3. Step 3: Cross multiply
    176,692.50x = 262,638.75 × 262,638.75
  4. Step 4: Simplify right side
    176,692.50x = 68,979,113,001.56
  5. Step 5: Solve for x
    x = 68,979,113,001.56/176,692.50
  6. Step 6: Final answer
    x = 390,390.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.